Audio system Lexus GX470 2004 Audio System / LEXUS 2004 GX470 FROM AUG. 2004 THROUGH SEP. 2004 PROD. (OM60B55U) Service Manual

AUDIO
316
CAUTION
Do not drive with using the headphone. Otherwise,
you may be hard to hear the sound from the outside
while using the headphone and may cause an
accident.
 With DVD player:
Conversational speech on some DVDs is recorded at
a low volume to emphasize the impact of sound
effects. If you adjust the volume assuming that the
conversations represent the maximum volume level
that the DVD will play, you may be startled by louder
sound effects or when you change to a different
audio source. Be sure to adjust the volume with this
in mind.
Make sure the volume is not increased, before you
turn on the headphone.
NOTICE
To prevent the battery from being discharged, do not leave the audio system on longer than necessary whenthe engine is not running.

AUDIO
317
Turning the system on and off
To turn on the system, push the SOURCEº button.
The screen indicates which mode can be selected. Push the
DVDº or VIDEOº button when the connected DVD player or
your personal audio machine is on. The rear seat
entertainment system will be turned on.
The rear seat entertainment system can select all the modes.
When a cassette tape, a compact disc, a DVD video disc, an
audio CD, a video CD, a CD text, a d
ts-CD or a DVD audio disc
is not loaded on the front audio system or the DVD player, only
the radio mode can be selected on the rear seat entertainment
system.
To turn off the system, push the OFFº button.
When the front audio system is turned off, the rear audio
system and the DVD player will be turned off simultaneously.

AUDIO
318
Front audio system operation
All the modes of the front audio system can be operated on the
rear seat entertainment system.
When the same mode is selected on the front and rear audio
systems simultaneously, the system can be operated on the
front audio system.
If the radio mode is selected on the front and rear audio
systems at the same time, AM and FM modes cannot be
changed on the rear seat audio system.
Selecting the mode
Use the joy stick to select the mode. Push the ENTº
button to enter the mode.
The mode display which is selected by the joy stick is
colored blue. When the ENTº button is pushed, the mode
display changes to green. If the mode display is gray, it
cannot be selected.
The Speaker soundº on the mode display is selected on the
front audio system.
When you select a mode, the screen indicates which is
selected.

AUDIO
319
Radio operation
(a) Listening to the radio

AM mode

FM mode
Using joy stick and the ENTº button to select either AM or FM
mode.
AMº, FM1º or FM2º appears on the screen.
If the front audio system receives a traffic announcement (TA)
while the rear seat audio system is in the radio mode, TRAFº
will flash on the screen and the rear seat audio system will turn
off. When the front audio receives a traffic announcement (TA),
the rear seat audio system cannot select the AM/FM mode.
(b) Selecting a station
Tune in the desired station using one of the following methods.
Seek tuning: Push and hold the º or º (TUNE/TRACK)
button. The radio will seek up or down for a station of the
nearest frequency and will stop on reception. Each time you
push the button, the stations will be searched one after
another.

AUDIO
320Manual tuning: Quickly push and release the 
º or º
(TUNE/TRACK) button. Each time you push the button, the
radio will step up or down to another frequency. If you push and
hold the button, and the radio will go into the seek mode.
To scan the preset stations: You can scan only the preset
stations for the band of the front audio system. Push the º
or º (DISC/CH/PROG) button. The radio will tune in the next
preset station up or down the band. The station frequency will
appear on the screen.
Cassette tape player operation
(a) Playing a cassette tape
Using joy stick and the ENTº button to select the cassette tape
mode.
TAPEº appears on the display.
Auto-reverse feature: After the cassette player reaches the
end of a tape, it automatically reverses and begins to play the
other side, regardless of whether the cassette was playing or
fast forwarding.

AUDIO
326After replacing the battery, check that the controller operates
properly. If
the controller still does not operate properly, contact
your Lexus dealer.
DVD player operation
The DVD player can play audio CDs, DVD video discs, CD
texts, dts-CDs, DVD audio discs and video CDs.
For appropriate discs for this player, see Audio/video system
operating hintsº on page 375.
The DVD player works when the ignition key is in the ACCº or
ONº position.
To turn on the DVD player, a disc must be loaded in the player.
To turn off the player, eject the disc.
(a) Inserting the disc
1. Push the center of the rear console box lid.

AUDIO
327
2. Push this button to open the cover.
3. Pull the lid forward.
4. Insert a disc with the label side backward and close the
lid.
The player is intended for the use with 12 cm (4.7 in.) discs only.
If the label faces forward, the disc cannot be played. In this
case, DISC CHECKº appears on the screen.
If a disc which is not playable is inserted, DISC CHECKº will
also appear on the screen. For appropriate discs for this
player, see Audio/video system operating hintsº on page 375.

AUDIO
360SCANº switch (DVD audio only): Push the SCANº switch.
The player will scan all the tracks on the disc you are listening
to. To stop scanning, push this switch again. If the player
scanned all the tracks on the disc, it will stop scanning.

º and º switches:
Push and hold the º or

º switch to fast forward or reverse a disc. When you
release the switch, the DVD player will resume playing.
(u) Error messages
If the player malfunctions, your audio system will display one
of the three following error messages.
If DISC CHECKº appears on the screen: It indicates that the
disc is dirty, damaged or it was inserted upside down. Clean
the disc or insert it correctly.
If REGION CODE ERRORº appears on the screen: It
indicates that the DVD region code is not set properly.
If DVD ERRORº appears on the screen: There is a problem
inside the player. Eject the disc. Set the disc again.
If the malfunction still exists, take your vehicle to your Lexus
dealer.
Video CD/audio CD/CD text player operation
(a) Selecting the disc menu number (video CD only)

1Controller button2Screen switch
Push the SEARCHº button on the controller or the Sel.
Numberº switch on the screen, and the disc menu number
search screen will appear.

AUDIO
365
(h) Error messages
If the player malfunctions, your audio system will display one
of the three following error messages.
If DISC CHECKº appears on the screen:
It indicates that the
disc is dirty, damaged or it was inserted upside down. Clean
the disc or insert it correctly.
If REGION CODE ERRORº appears on the screen: It
indicates that the DVD region code is not set properly.
If DVD ERRORº appears on the screen: There is a problem
inside the player. Eject the disc. Set the disc again.
If the malfunction still exists, take your vehicle to your Lexus
dealer.
Screen adjustment
You can adjust the color, contrast, tone and brightness of
the screen.
Push the DISPLAYº button on the controller (1) and
then the Displayº screen (2) will appear.
The screen may turn purple to deflect the sunlight. This is not
a malfunction.

AUDIO
369
Region codes:
Region codes are provided on DVD players
and DVD discs. If the DVD video disc does not have the same
region code as the DVD player, you cannot play the disc on the
DVD player. For region codes, see page 367.
Audio: This DVD player can play liner PCM, Dolby digital, dts
and MPEG audio format DVD. Other decoded type cannot be
played.
Title and chapter: Video and audio programs stored on DVD
video discs are divided in parts by title and chapter.
Title: The largest unit of the video and audio programs stored
on DVD video discs. Usually, one piece of a movie, one album,
or one audio program is assigned as a title.
Chapter: A unit smaller than a title. A title comprises plural
chapters. Manufactured under license from Dolby Laboratories.
Dolbyº, Pro Logicº, and 
º are trademarks of Dolby
Laboratories. Confidential unpublished works.
1992 Ð 1997 Dolby Laboratories. All rights reserved.
This product incorporates copyright protection
technology that is protected by method claims of certain
U.S. patents and other intellectual property rights owned
by Macrovision Corporation and other rights owners. Use
of this copyright protection technology must be
authorized by Macrovision Corporation, and is intended
for home and other limited viewing uses only unless
otherwise authorized by Macrovision Corporation.
Reverse engineering or disassembly is prohibited.
dtsº is a trademark of Digital Theater Systems, Inc.